Hand-stamp for printing



UNITED STATES PATENT EEICE.

DEXTER H. CHAMBERLAIN, OF WEST ROXBURY, MASSACHUSETTS.

HAN D-STAMP FOR PRINTING.

Specification forming part of Letters Patent No. 46,076, dated January 31, 1865.

To all whom, t may concern.' c, which passes up through the notch b in the Beit known that I, DEXTER H. CHAMBER- end of the lever C, and over this screw e is LAIN, of West Roxbury, in the county of iitted the knob or handle F, by which the Norfolk and Stateof Massachusetts, have instamp is operated. It will thus be seen that vented an Improved HandStamp for Printby loosening the knob F on its screw the ing, of which the following isafull, clear, and type-block can be instantly taken out and exact description, reference being had to the replaced by another, a slight turn of the knob accompanying` drawings, making part of this F in the opposite direction serving to draw speciiication, in whichthe shoulder 5 against the portion 6 ofthe Figure l is a perspective view of my imb )x D, thus securing the type-block iirmly in proved hand-stamp. Fig. 2 is a transverse the position in which it is required. section through lthe end of the lever which The prepared inking-ribbon d, from which carries the type-block and parts connected the types are supplied with ink, is wound up therewith. Fig. 3 is a pla-n of the end of the on two rods,f g, which pass through and have lever which carries the type-block. Fig. 4 is their bearings in the hollow box D. Each of a view ot' one of the rods on which the ink these rods fg is provided at one end with a ribbon is wound. milled head, h, by which they can be revolved ln many places where hand-stamps are ems) as to bring a fresh portion of the inkingployed it becomes necessary to frequently ribbon beneath the types, a sutticient degree change the types or type-block, which operav of friction to prevent the rods from being too tion is attended with considerable inconvenfreely revolved being produced by the spiral ience and delay. n springs i, which surround the rods outside of My invention has for its object to greatly the hollow box D. Each-rod f g is divided facilitate this operation of changing the types; for the greater part of its length, forming a and it consists in bifurcating the outer end of slit, 7 as seen in Fig. 4, through which is `the lever which carries the type-block, so as passed the end of the inking-ribbon d, which to admit of the latter being readily taken out is suitably hemined or turned over to prevent and replaced, the knob or handle by which it from slipping through when the rod is the stamp is operated being made to work closed together, which is done by passing its on a screw projecting up from the type-block end through the box D, when it is prevented through the bifurcation or notch in the lever, from slipping out by attaching a washer or so that by tightening this knob on its screw nut, k, thereto. This method of attaching the block will be securely held in position, and the ribbon to its rod or axis is much cheaper on loosening it the block can be instantly reand more convenient than where the ribbon moved, as required. is attached to a wire projecting from and run- To enable others skilled in the art to unning parallel with the rod, as was formerly derstand and use my invention, I will proceed done. to describe the manner in which I have carv G is the bed upon which the impression is ried it out. made, which is attached to the base A, and is In the said drawings, A vis the base to covered withleather or other elastic substance. which the operating parts are secured, and NVh-at I claim as my invention, and desire from which rises the standard B. To the latto secure by Letters Patent, ister is pivoted at a the lever C, which is bit'ur- Bifurcating the outer end of the lever C, so cated at its outer end, forming a notch, b, and as to admit of the type-block E being readily is retained in the position seen in Fig.' 1 by a removed and replaced, in the manner subspring, c. The outer end of this lever is enstantially as set forth.

larged and made hollow, forming a box, D, D. I-I. GHAMBERLAIN. for the reception of the inking-ribbon d and Wvitnesses:

typeblock E, from which the impression is to I. E. TEscnEM/icHER,

he taken. From this latter projects'a screw, 4N. W. STEARNS. 

